LCD DISPLAY
　　
　　Features:
　　Safe; Ultrasound dosage is under 50% of the standard.
　　Portable:Light Weight, handset, portable.
　　LCD display, large display with blue backlight.
　　Loudspeaker; built-in loud speaker&clearly.
　　Support 2.5Mhz waterproof probe.
　　Accurate FHR detection with clear sound.
　　Sensitivity: Monitor 12 week or above unborn baby's blood wall pulsate.
　　Specification
　　Ultrasound Frequency:2.5+/-0.25MHz.
　　Ultrasonic intensity:<10mW/cm.
　　Power supply: built-in 9.6V nickel-hydrogen rechargeable battery.
　　Continuous working time:>6hours.
　　Working  Temperature: 10℃-40℃.